public void InvalidNValueTest()
{
// Arrange
var moqLogger = new Mock <ILogger>();
var workUnit = new UnitTesting.WorkUnit.Final.WorkUnit(moqLogger.Object);
// Act
Action act = () => { workUnit.GetNthFibonacci(-1); };
// Assert
act
.ShouldThrow <ArgumentException>()
.WithMessage($"Must be a positive integer{Environment.NewLine}Parameter name: n");
}
public void TestShortcutForNIs1()
{
// Arrange
var moqLogger = new Mock <ILogger>();
var workUnit = new UnitTesting.WorkUnit.Final.WorkUnit(moqLogger.Object);
// Act
var result = workUnit.GetNthFibonacci(1);
// Assert
result.Should().Be(1);
moqLogger.Verify(m => m.Log(It.IsAny <string>()), Times.Exactly(2));
}
public void MockedFibonacciTest()
{
// Arrange
var moqLogger = new Mock <ILogger>();
moqLogger
.Setup(m => m.Log(It.Is <string>(s => string.Compare(s, "Starting Fibonacci calculation", StringComparison.CurrentCulture) == 0)))
.Verifiable();
moqLogger
.Setup(m => m.Log(It.Is <string>(s => string.Compare(s, "Finished calculation for n=10: 55", StringComparison.CurrentCulture) == 0)))
.Verifiable();
// Act
var workUnit = new UnitTesting.WorkUnit.Final.WorkUnit(moqLogger.Object);
var result = workUnit.GetNthFibonacci(10);
// Assert
result.Should().Be(55);
moqLogger.Verify();
}